High angular momentum states populated in fragmentation reactions

Zs Podolyák, J. Gerl, M. Hellström, F. Becker, K. A. Gladnishki, M. Górska, A. Kelić, Y. Kopatch, S. Mandal, P. H. Regan, K. H. Schmidt, P. M. Walker, H. J. Wollersheim, A. Banu, G. Benzoni, H. Boardman, E. Casarejos, J. Ekman, H. Geissel, H. GraweD. Hohn, I. Kojouharov, J. Leske, R. Lozeva, M. N. Mineva, G. Neyens, R. D. Page, C. J. Pearson, M. Portillo, D. Rudolph, N. Saito, H. Schaffner, D. Sohler, K. Sümmerer, J. J. Valiente-Dobón, C. Wheldon, H. Weick, M. Winkler

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31 Citations (Scopus)

Abstract

The population of metastable states produced in relativistic-energy fragmentation of a 238U beam has been measured. For states with angular momentum ≳20ℏ, a much higher population than expected has been observed. By introducing a collective component to the generation of angular momentum the experimental data can be understood. This is the first time that a collective degree of freedom has be shown to play a major role in such high-energy collisions.

Original languageEnglish
Pages (from-to)203-206
Number of pages4
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume632
Issue number2-3
DOIs
Publication statusPublished - Jan 12 2006

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Podolyák, Z., Gerl, J., Hellström, M., Becker, F., Gladnishki, K. A., Górska, M., Kelić, A., Kopatch, Y., Mandal, S., Regan, P. H., Schmidt, K. H., Walker, P. M., Wollersheim, H. J., Banu, A., Benzoni, G., Boardman, H., Casarejos, E., Ekman, J., Geissel, H., ... Winkler, M. (2006). High angular momentum states populated in fragmentation reactions. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 632(2-3), 203-206. https://doi.org/10.1016/j.physletb.2005.10.070